Global Supplier of Signal and Power Relays Since 1976
About Sanyu Switch
Founded in 1976, Sanyu Switch Co., Ltd. established itself as a leading manufacturer of miniature signal relays and power relays, with a reputation for high-quality products and reliable performance. Headquartered in Japan, Sanyu also expanded with manufacturing and distribution capabilities in Singapore to support customers across Asia and worldwide.
In 2024, Sanyu Switch was acquired by Standex Electronics, ensuring its engineering expertise, relay technology, and strong customer relationships continue to serve global markets.
Address: Maruwa Building, 3-9-23 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
Phone Number: +1.03.3490.2251
Acquisition by Standex Electronics
Standex Electronics announced the acquisition of Sanyu Switch in 2024, strengthening our capabilities in relay technology and expanding our reach into Asia-Pacific markets. Read the official acquisition press release.
This acquisition reinforced Standex Electronics’ position in switching technologies by adding Sanyu’s miniature and power relay expertise, international manufacturing scale, and established presence in Asian markets. Today, Sanyu continues as part of Standex Detect, with its product portfolio now integrated into our global platform. Explore our relay solutions or connect with our team for engineering support.
Products & Capabilities
Sanyu’s product lines are now part of Standex Electronics’ broader portfolio:
Why Customers Chose Sanyu
Proven Relay Expertise
Sanyu built its reputation on decades of experience in miniature and power relays, supplying reliable solutions for consumer electronics, telecommunications, and industrial applications. The company’s engineering teams continuously refined relay designs to meet evolving customer needs, making Sanyu a trusted name in the relay industry across Asia and beyond.
High Reliability
Sanyu relays were designed and manufactured to deliver consistent performance across millions of switching cycles. Rigorous testing and adherence to international quality standards ensured durability in mission-critical applications, from safety systems to industrial controls, where reliability was essential for long-term success.
Customer Partnerships
Sanyu maintained strong, long-term relationships with OEMs worldwide by offering technical expertise and responsive customer service. Engineers collaborated directly with customers to select or customize relays that best fit their application, providing tailored solutions and building lasting partnerships built on trust and performance.
Global Reach
With headquarters in Japan and regional operations in Singapore, Sanyu offered both localized engineering support and high-volume production capacity. This global reach allowed the company to serve customers quickly and cost-effectively, ensuring that manufacturers had access to quality relays wherever they operated.
Certifications & Advantages
- ISO 9001 Certified
- Proven Expertise in Miniature Relays
- High-Volume Manufacturing Capabilities
- Trusted Supplier to Global OEMs
- Established Presence in Asia-Pacific
- Backed by Standex Electronics’ Global Supply Chain
Markets Served
Sensor Solutions’ sensing technologies continue to support industries worldwide, now through Standex Electronics: